Ka tsoelo-pele e tsoelang pele ea lisebelisoa tse kopantsoeng, ho phaella ho li-plastiki tse matlafalitsoeng ka khalase, lipolasetiki tse matlafalitsoeng ka carbon fiber, li-plastiki tse matlafalitsoeng ke boron, joalo-joalo li hlahile.Carbon fiber e matlafalitsoeng ke polymerli-composites (CFRP) ke lisebelisoa tse bobebe le tse matla tse sebelisetsoang ho etsa lihlahisoa tse ngata tseo re li sebelisang bophelong ba rona ba letsatsi le letsatsi.Ke lentsoe le sebelisetsoang ho hlalosa lisebelisoa tse entsoeng ka fiber-reinforced composite tse sebelisang carbon fibers e le karolo ea bohlokoa ea sebopeho.
Lethathamo la Litaba:
1. Sebopeho sa Polymer se Matlafalitsoeng sa Carbon Fiber
2. Mokhoa oa ho Bopa oa Carbon Fiber e Matlafalitsoeng ke Plastiki
3. Thepa ea Carbon Fiber Reinforced Polymer
4. Melemo ea CFRP
5. Mefokolo ea CFRP
6. Litšebeliso tsa Plastiki tse Matlafalitsoeng ke Carbon Fiber
Carbon Fiber e Matlafalitsoeng ke Polymer Structure
Plastiki e matlafalitsoeng ea carbon fiber ke thepa e entsoeng ka ho hlophisa lisebelisoa tsa carbon fiber ka tsela e itseng le ho sebelisa thepa ea polymer e kopantsoeng.Bophara ba carbon fiber bo tšesaane haholo, hoo e ka bang li-microns tse 7, empa matla a eona a phahame haholo.
Karolo ea motheo ea motheo ea carbon fiber reinforced composite material ke carbon fiber filament.Lisebelisoa tsa motheo tsa carbon filament ke prepolymer polyacrylonitrile (PAN), rayon, kapa petroleum pitch.Li-filament tsa carbon ebe li etsoa masela a carbon fiber ka mekhoa ea lik'hemik'hale le ea mechine bakeng sa likarolo tsa carbon fiber.
Polymer e tlamang hangata ke resin ea thermosetting joalo ka epoxy.Ka linako tse ling ho sebelisoa thermosets kapa thermoplastic polymers, joalo ka polyvinyl acetate kapa nylon.Ntle le likhoele tsa khabone, li-composites li ka ba le aramid Q, polyethylene e phahameng haholo ea molek'hule, aluminium, kapa likhoele tsa khalase.Thepa ea sehlahisoa sa ho qetela sa carbon fiber e ka boela ea angoa ke mofuta oa li-additives tse kenngoa ka har'a matrix a tlamahano.
Mokhoa oa ho Bopa oa Carbon Fiber e Matlafalitsoeng ke Plastiki
Lihlahisoa tsa carbon fiber li fapane haholo ka lebaka la mekhoa e fapaneng.Ho na le mekhoa e mengata ea ho etsa lisebelisoa tsa polymer tse matlafalitsoeng ka carbon fiber.
1. Mokhoa oa ho Beha Matsoho
E arotsoe ka mokhoa o omileng (lebenkele le lokiselitsoeng pele) le mokhoa o metsi (lesela la fiber le resin e khomaretsoeng ho sebelisoa).Ho beha matsoho ho boetse ho sebelisoa ho lokisa li-prepregs bakeng sa ho sebelisoa lits'ebetsong tsa bobeli tsa ho bopa joalo ka compression molding.Mokhoa ona ke moo maqephe a lesela la carbon faeba a entsoeng ka laminated holim'a hlobo ho etsa sehlahisoa sa ho qetela.Matla le ho satalla ha thepa e hlahisoang e ntlafatsoa ka ho khetha ho tsamaisana le ho loha ha likhoele tsa lesela.Joale hlobo e tlatsoa ka epoxy ebe e phekoloa ka mocheso kapa moea.Mokhoa ona oa ho etsa hangata o sebelisoa bakeng sa likarolo tse sa hatelletsoeng, joalo ka likoahelo tsa enjene.
2. Mokhoa oa ho etsa Vacuum
Bakeng sa prepreg laminated, hoa hlokahala ho sebelisa khatello ka mokhoa o itseng ho etsa hore e be haufi le hlobo le ho e phekola le ho e bōpa tlas'a mocheso o itseng le khatello.Mokhoa oa mokotla oa vacuum o sebelisa pompo ea vacuum ho tsoa ka hare ho mokotla oa ho etsa e le hore khatello e mpe pakeng tsa mokotla le hlobo e etse khatello e le hore thepa e kopantsoeng e be haufi le hlobo.
Motheong oa mokhoa oa mokotla oa vacuum, mokhoa oa ho etsa mokotla oa vacuum-autoclave o ile oa fumanoa hamorao.Li-autoclave li fana ka likhatello tse phahameng le mocheso o phekola karolo (ho e-na le ho phekola ka tlhaho) ho feta mekhoa ea mekotla ea vacuum feela.Karolo e joalo e na le sebopeho se kopanetsoeng haholoanyane, boleng bo botle ba holim'a metsi, bo ka felisa li-bubble tsa moea ka katleho (li-bubble li tla ama matla a karolo haholo), 'me boleng ba kakaretso bo phahame.Ha e le hantle, mokhoa oa ho kenya mokotla oa vacuum o tšoana le oa ho khomarela filimi ea selefouno.Ho felisa li-bubble tsa moea ke mosebetsi o moholo.
3. Compression Molding Method
Ho etsa compressionke mokhoa oa ho bopa o loketseng tlhahiso ea bongata le tlhahiso ea bongata.Hangata hlobo e entsoe ka likarolo tse ka holimo le tse ka tlaase, tseo re li bitsang hlobo e tona le hlobo e tšehali.Mokhoa oa ho bōpa ke ho beha 'mete o entsoeng ka prepregs ka har'a hlobo ea tšepe ea tšepe,' me tlas'a ketso ea mocheso o itseng le khatello, 'mete o futhumala' me o entsoe ka polasetiki ka sekoting sa hlobo, o phalla tlas'a khatello, 'me o tlatsa hlobo,' me joale Le ho bopa le ho phekola ho fumana lihlahisoa.Leha ho le joalo, mokhoa ona o na le litšenyehelo tse phahameng tsa pele ho feta tse fetileng, kaha hlobo e hloka machining a CNC a phahameng haholo.
4. Ho Etsa Maqhubu
Bakeng sa likarolo tse nang le libopeho tse rarahaneng kapa tse nang le sebōpeho sa 'mele oa phetohelo, fense ea filament e ka sebelisoa ho etsa karolo ka ho sotha khoele holim'a mandrel kapa bohareng.Ka mor'a hore matsoelintsoeke ke ka ho feletseng pheko le tlosa mandrel.Ka mohlala, matsoho a kopantsoeng a tubular a sebelisoang mekhoeng ea ho emisoa a ka etsoa ka mokhoa ona.
5. Resin Transfer Molding
Resin transfer molding (RTM) ke mokhoa o batlang o tsebahala haholo.Mehato ea eona ea mantlha ke:
1. Beha lesela le lokiselitsoeng le lebe la carbon fiber ka har'a hlobo ebe u koala hlobo.
2. Kenya metsi a thermosetting resin ka har'a eona, kenya lisebelisoa tse matlafatsang, 'me u phekole.
Thepa ea Carbon Fiber Reinforced Polymer
(1) Matla a phahameng le elasticity e ntle.
Matla a khethehileng (ke hore, karo-karolelano ea matla a tensile ho ea ho density) ea carbon fiber ke makhetlo a 6 ho feta a tšepe le makhetlo a 17 ho feta a aluminium.Modulus e itseng (ke hore, karo-karolelano ea Young's modulus ho density, e leng pontšo ea elasticity ea ntho) e feta makhetlo a 3 ho feta tšepe kapa aluminium.
Ka matla a khethehileng a phahameng, e ka jara mojaro o moholo oa ho sebetsa.Khatello ea eona e phahameng ea ho sebetsa e ka fihla ho 350 kg / cm2.Ho feta moo, e khona ho hatelloa le ho tsitsa ho feta F-4 e hloekileng le braid ea eona.
(2) Ho hanyetsa mokhathala o motle le ho hanyetsa ho apara.
Khanyetso ea eona ea mokhathala e phahame haholo ho feta ea epoxy resin mme e phahame ho feta ea lisebelisoa tsa tšepe.Likhoele tsa graphite lia itlotsa 'me li na le coefficient e nyane ea likhohlano.Palo ea ho roala e nyane ka makhetlo a 5-10 ho feta ea lihlahisoa tse akaretsang tsa asbestos kapa li-braids tsa F-4.
(3) Molemo o motle oa ho futhumatsa mocheso le ho hanyetsa mocheso.
Lipolasetiki tse matlafalitsoeng ka carbon fiber li na le mocheso o motle oa mocheso, 'me mocheso o hlahisoang ke khohlano o qhalana habonolo.Ka hare ha ho bonolo ho chesa le ho boloka mocheso 'me e ka sebelisoa e le thepa ea ho tiisa ka matla.Moeeng, e ka sebetsa ka mokhoa o tsitsitseng mochesong oa -120 ~ 350°C.Ka ho fokotseha ha tšepe ea alkali ka har'a fiber ea carbon, mocheso oa tšebeletso o ka 'na oa eketseha.Ka khase e sa sebetseng, mocheso oa eona o feto-fetohang o ka fihla hoo e ka bang 2000 ° C, 'me o khona ho mamella liphetoho tse matla serame le mocheso.
(4) Khanyetso e ntle ea ho thothomela.
Ha ho bonolo ho resonate kapa ho phaphamala, hape ke sesebelisoa se setle sa ho fokotsa ho thothomela le ho fokotsa lerata.
Melemo ea CFRP
1. Boima ba Leseli
Lipolasetiki tse matlafalitsoeng tsa khalase tsa khale li sebelisa likhoele tsa khalase tse tsoelang pele le 70% ea likhoele tsa khalase (boima ba khalase / boima ba kakaretso) 'me hangata li na le boima ba lik'hilograma tse 0.065 ka inch e le 'ngoe.Motsoako oa CFRP o nang le boima bo tšoanang ba 70% oa fiber hangata o na le letsoalo la liponto tse 0.055 ka inch ea cubic.
2. Matla a Phahameng
Leha lipolima tse matlafalitsoeng ka carbon fiber li le bobebe, metsoako ea CFRP e na le matla a holimo le ho satalla ho holimo ho boima ba yuniti ho feta metsoako ea fiber ea khalase.Ha ho bapisoa le lisebelisoa tsa tšepe, molemo ona o totobetse haholoanyane.
Melemo ea CFRP
1. Litšenyehelo tse Phahameng
Theko ea tlhahiso ea polasetiki e matlafalitsoeng ea carbon fiber e thibetsoe.Litheko tsa carbon fiber li ka fapana haholo ho itšetlehile ka maemo a hona joale a 'maraka (phepelo le tlhoko), mofuta oa fiber ea carbon (sepakapaka khahlanong le boemo ba khoebo), le boholo ba bongata ba fiber.Motheong oa ponto bakeng sa ponto, fiber ea carbon e sa tsoakoang e ka ba theko e phahameng ka makhetlo a 5 ho isa ho a 25 ho feta fiber ea khalase.Phapang ena e kholo le ho feta ha ho bapisoa tšepe le CFRP.
2. Conductivity
Ona ke molemo le bosenang mosola jwa didirisiwa tse di dirilweng ka carbon faeba.E itšetlehile ka kopo.Likhoele tsa carbon li sebetsa haholo 'me likhoele tsa khalase lia sireletsa.Lihlahisoa tse ngata li sebelisa fiberglass ho e-na le fiber ea carbon kapa tšepe hobane li hloka ho kenngoa ka thata.Ha ho etsoa lisebelisoa, lihlahisoa tse ngata li hloka tšebeliso ea likhoele tsa khalase.
Lisebelisoa tsa Plastiki tse Matlafalitsoeng ke Carbon Fiber
Thelisebelisoa tsa carbon fiber reinforced polymerli pharaletseng bophelong, ho tloha likarolong tsa mechine ho ea ho thepa ea sesole.
(1)joalo ka ho paka ho tiisa
Lisebelisuoa tsa PTFE tse matlafalitsoeng ke carbon fiber li ka etsoa lireng tse tiisang kapa tse pakang tse sa jeng, tse sa senyeheng le tse pakiloeng.Ha e sebelisoa bakeng sa ho tiisa ka mokhoa o tsitsitseng, bophelo ba ts'ebeletso bo bolelele, ho feta makhetlo a 10 ho feta ho paka ka kakaretso ea asbestos e qoelisoang ka oli.E ka boloka ts'ebetso ea ho tiisa tlas'a liphetoho tsa mojaro le ho pholisa ka potlako le ho futhumatsa ka potlako.'Me kaha thepa ha e na lintho tse senyang, ha ho na ho senyeha ha likoti ho tla etsahala holim'a tšepe.
(2)joalo ka likarolo tsa ho sila
E sebelisa thepa ea eona ea ho itlotsa, e ka sebelisoa e le li-bearings, likere le mehele ea piston bakeng sa merero e khethehileng.Joalo ka li-bearings tse se nang oli tse tlositsoeng bakeng sa lisebelisoa tsa sefofane le lirekoto tsa theipi, likere tse tlotsoang tse se nang oli bakeng sa literene tsa diesel tsa phetiso ea motlakase (ho qoba likotsi tse bakoang ke ho lutla ha oli), mehele ea piston e tlotsitsoeng e se nang oli holim'a li-compressor, joalo-joalo. e boetse e sebelisoa e le li-bearings tse thellang kapa litiiso indastering ea lijo le ea meriana ka ho nka monyetla ka litšobotsi tsa eona tse se nang chefo.
(3) E le lisebelisoa tsa sebopeho bakeng sa sepakapaka, sefofane le limisaele.E ile ea qala ho sebelisoa ha ho etsoa lifofane ho fokotsa boima ba sefofane le ho ntlafatsa katleho ea sefofane.E boetse e sebelisoa ho lik'hemik'hale, peterole, matla a motlakase, mechine le liindasteri tse ling e le tiiso ea rotary kapa e khutlisetsang kapa lisebelisoa tse sa tšoaneng tsa tiiso.
Zhengxi ke setsebifeme ea khatiso ea hydraulic naheng ea China, e fanang ka boleng bo phahamengmochini oa khatiso oa hydraulicbakeng sa ho theha lihlahisoa tsa CFRP.
Nako ea poso: May-25-2023
